Move string_is_key_value to lib/encoding

This commit is contained in:
Nick Mathewson 2018-06-28 11:46:32 -04:00
parent 48ebd9bf76
commit 30166261bb
7 changed files with 61 additions and 35 deletions

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@ -225,39 +225,6 @@ add_laplace_noise(int64_t signal_, double random_, double delta_f,
* String manipulation
* ===== */
/** Return true if <b>string</b> is a valid 'key=[value]' string.
* "value" is optional, to indicate the empty string. Log at logging
* <b>severity</b> if something ugly happens. */
int
string_is_key_value(int severity, const char *string)
{
/* position of equal sign in string */
const char *equal_sign_pos = NULL;
tor_assert(string);
if (strlen(string) < 2) { /* "x=" is shortest args string */
tor_log(severity, LD_GENERAL, "'%s' is too short to be a k=v value.",
escaped(string));
return 0;
}
equal_sign_pos = strchr(string, '=');
if (!equal_sign_pos) {
tor_log(severity, LD_GENERAL, "'%s' is not a k=v value.", escaped(string));
return 0;
}
/* validate that the '=' is not in the beginning of the string. */
if (equal_sign_pos == string) {
tor_log(severity, LD_GENERAL, "'%s' is not a valid k=v value.",
escaped(string));
return 0;
}
return 1;
}
/** Return a newly allocated string equal to <b>string</b>, except that every
* character in <b>chars_to_escape</b> is preceded by a backslash. */
char *

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@ -72,8 +72,6 @@ int64_t clamp_double_to_int64(double number);
/* String manipulation */
int string_is_key_value(int severity, const char *string);
char *tor_escape_str_for_pt_args(const char *string,
const char *chars_to_escape);

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@ -8,6 +8,7 @@ src_lib_libtor_encoding_a_SOURCES = \
src/lib/encoding/binascii.c \
src/lib/encoding/confline.c \
src/lib/encoding/cstring.c \
src/lib/encoding/keyval.c \
src/lib/encoding/time_fmt.c
src_lib_libtor_encoding_testing_a_SOURCES = \
@ -19,4 +20,5 @@ noinst_HEADERS += \
src/lib/encoding/binascii.h \
src/lib/encoding/confline.h \
src/lib/encoding/cstring.h \
src/lib/encoding/keyval.h \
src/lib/encoding/time_fmt.h

46
src/lib/encoding/keyval.c Normal file
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@ -0,0 +1,46 @@
/* Copyright (c) 2003, Roger Dingledine
* Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
* Copyright (c) 2007-2018, The Tor Project, Inc. */
/* See LICENSE for licensing information */
#include "orconfig.h"
#include "lib/encoding/keyval.h"
#include "lib/log/escape.h"
#include "lib/log/torlog.h"
#include "lib/log/util_bug.h"
#include <stdlib.h>
#include <string.h>
/** Return true if <b>string</b> is a valid 'key=[value]' string.
* "value" is optional, to indicate the empty string. Log at logging
* <b>severity</b> if something ugly happens. */
int
string_is_key_value(int severity, const char *string)
{
/* position of equal sign in string */
const char *equal_sign_pos = NULL;
tor_assert(string);
if (strlen(string) < 2) { /* "x=" is shortest args string */
tor_log(severity, LD_GENERAL, "'%s' is too short to be a k=v value.",
escaped(string));
return 0;
}
equal_sign_pos = strchr(string, '=');
if (!equal_sign_pos) {
tor_log(severity, LD_GENERAL, "'%s' is not a k=v value.", escaped(string));
return 0;
}
/* validate that the '=' is not in the beginning of the string. */
if (equal_sign_pos == string) {
tor_log(severity, LD_GENERAL, "'%s' is not a valid k=v value.",
escaped(string));
return 0;
}
return 1;
}

11
src/lib/encoding/keyval.h Normal file
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@ -0,0 +1,11 @@
/* Copyright (c) 2003, Roger Dingledine
* Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
* Copyright (c) 2007-2018, The Tor Project, Inc. */
/* See LICENSE for licensing information */
#ifndef TOR_KEYVAL_H
#define TOR_KEYVAL_H
int string_is_key_value(int severity, const char *string);
#endif

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@ -117,6 +117,7 @@
#include "lib/process/setuid.h"
#include "lib/process/subprocess.h"
#include "lib/encoding/keyval.h"
#include "lib/fs/conffile.h"
#include "common/procmon.h"

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@ -21,6 +21,7 @@
#include "lib/process/waitpid.h"
#include "test/log_test_helpers.h"
#include "lib/compress/compress_zstd.h"
#include "lib/encoding/keyval.h"
#include "lib/fdio/fdio.h"
#include "lib/process/env.h"
#include "lib/process/pidfile.h"